Quant Memo

Vol Targeting

Scaling portfolio exposure so that realized volatility stays near a target (e.g. 10% annual).

Definition

Vol targeting means adjusting portfolio leverage (or notional exposure) so that ex ante or ex post portfolio volatility is close to a target level, e.g. 10% per year.

Why it matters

  • Stable risk: Avoids over-leveraging in calm markets and reduces exposure when vol spikes.
  • Comparability: Backtests and live performance are easier to compare across strategies when vol is normalized.
  • Drawdown control: Lower vol target generally implies smaller drawdowns (though not guaranteed).

Common mistakes

  • Using too short a vol window (noisy) or too long (lag).
  • Ignoring correlation when scaling multi-asset portfolios.
  • No cap on leverage (theoretical scale can go very high in low vol).

Linked strategies

See strategy database for: Vol Targeting (Multi-Asset), Trend Following (Futures), FX Carry.

Linked strategies

ShareTwitterLinkedIn